Home / 115,292.26-159,138.85-67,561.12

Finding the Fourth Proportional to 115,292.26, 159,138.85 and 67,561.12

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Solution

The fourth proportional to 115,292.26, 159,138.85 and 67,561.12 is: 93,255.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,292.26 : 159,138.85 = 67,561.12 : x
  2. Step 2: Convert to fraction form
    115,292.26/159,138.85 = 67,561.12/x
  3. Step 3: Cross multiply
    115,292.26x = 159,138.85 × 67,561.12
  4. Step 4: Simplify right side
    115,292.26x = 10,751,598,941.51
  5. Step 5: Solve for x
    x = 10,751,598,941.51/115,292.26
  6. Step 6: Final answer
    x = 93,255.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.